chris stevens / 8x8

driver for 8x8

Dependents:   poster8x8_ranger

8x8.cpp

Committer:
cstevens
Date:
2016-06-14
Revision:
0:12e8e6371165

File content as of revision 0:12e8e6371165:

#include "8x8.h"

#include "smiles.h"

//define 2 buses for the row and column pins
BusOut Row(PTC11,PTC10,PTC3,PTB10,PTC0,PTE2,PTE3,PTC5);

BusOut Col(PTC7,PTC6,PTB8,PTC4,PTE5,PTB9,PTE4,PTB11);

// sub to write character to the 8x8 display once - has to be repeated to keep display live
int write_8x8(int eye,int mth)
{
    int rw,i;
    //write eyes
    for(i=0; i<4; i++) {
        rw=0;
        rw=1<<i;
        Row=~rw; // this inverts the row code so that only the desired row is low
        Col=eyes[i+4*eye];
        wait(0.002);

    }//endfori
    //write mouth
    for(i=4; i<8; i++) {
        rw=0;
        rw=1<<i;
        Row=~rw; // this inverts the row code so that only the desired row is low
        Col=mouth[i-4+4*mth];
        wait(0.002);

    }//endfori




    return(0);
}